000 00340nam a2200181Ia 4500
100 _aDass/H.K
650 _aPhysics
250 _a8
942 _cBK
366 _f20
654 _aphysics
245 _aMathematical Physics
260 _bS.Chand & co
_c2018
082 _bDAS
300 _a1416
546 _aENGLISH
999 _c28759
_d28759